#243E9C#243E9C

#243E9C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.156 H 267.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#243E9C
RGB	rgb(36, 62, 156)
HSL	hsl(227, 63%, 38%)
HSV	hsv(227, 77%, 61%)
CMYK	cmyk(76.9%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(29.96, 25.04, -54.01)
CIE-LCH	lch(29.96, 59.53, 294.88°)
OKLab	oklab(40.57% -0.0078 -0.156)
OKLCH	oklch(40.57% 0.156 267.1)
XYZ	xyz(8.4488, 6.2197, 32.2013)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E9C #9C8224

analogous

#247A9C #243E9C #46249C

triadic

#243E9C #9C243E #3E9C24

tetradic

#243E9C #9C247A #9C8224 #249C46

square

#243E9C #9C247A #9C8224 #249C46

split-complementary

#243E9C #9C4624 #7A9C24

monochromatic

#0D1639 #192A6A #243E9C #2F52CE #607BDA

Accessibility & contrast

On white

9.36

#243E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#243E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E9C

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E9C	#FFFFFF	#000000	##FFFFFF
##243E9C	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #243e9c;
/* rgb */ color: rgb(36, 62, 156);
/* oklch */ color: oklch(40.6% 0.156 267.1);

Tailwind

colors: {
  custom: {
    50: '#7272ba',
    500: '#243e9c',
    950: '#000000',
  },
}

SCSS

$custom: #243e9c;
$custom-light: #7272ba;
$custom-dark: #000000;

JSON

{
  "hex": "#243e9c",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 227,
    "s": 62.5,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40568,
    "c": 0.15618,
    "h": 267.1
  },
  "luminance": 0.06221
}

Semantic roles & 50–950 ramp

primary

#243E9C

secondary

#BFAA5C

accent

#C242E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #243E9C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →